Remodeling and Interior Cost Calculators

Remodeling projects depend on finish level, demolition, layout changes, hidden repairs, structural scope, and trade coordination. These calculators help you compare bids with the same scope and allowances in mind.

Remodeling

Home addition

Estimate home addition costs by square footage, addition type, build direction, foundation and site work, mechanical or plumbing scope, finish level, and design or permit needs before comparing general contractor bids.

$30,000 - $180,000
Remodeling

Basement finishing

Estimate basement finishing costs by square footage, starting condition, room scope, moisture and code work, mechanical or plumbing needs, and finish level before comparing remodeler or general contractor bids.

$18,000 - $75,000
Remodeling

Bathroom remodel

Estimate bathroom remodel costs by bathroom size, finish level, plumbing changes, tile scope, and fixture choices.

$9,000 - $35,000
Remodeling

Walk-in shower

Estimate walk-in shower installation costs by shower size, project type, wall system, glass, plumbing changes, and accessibility features before comparing bathroom remodeler bids.

$4,000 - $12,000
Remodeling

Bathtub replacement

Estimate bathtub replacement costs by tub type, replacement scope, surround work, plumbing changes, hidden repairs, and accessibility or finish upgrades before comparing bathroom contractor bids.

$1,800 - $8,500
Remodeling

Kitchen remodel

Estimate kitchen remodel costs by room size, project scope, finish level, cabinet plan, and appliance choices.

$18,000 - $75,000
Remodeling

Cabinet installation

Estimate cabinet installation costs by cabinet length, cabinet type, layout complexity, removal and prep, accessories or trim, and trade coordination before comparing kitchen cabinet bids.

$4,500 - $15,000
Remodeling

Cabinet refacing

Estimate cabinet refacing costs by cabinet length, project scope, refacing material, door and drawer count, hardware upgrades, and cabinet-box condition before comparing kitchen contractor bids.

$4,000 - $12,500
Remodeling

Countertop installation

Estimate countertop installation costs by square footage, material, edge and cutout complexity, tear-out and prep, backsplash scope, and sink or plumbing work before comparing fabricator bids.

$2,400 - $9,500
Remodeling

Quartz countertops

Estimate quartz countertop costs by square footage, quartz grade, edge and seam complexity, cutouts, tear-out and prep, and backsplash finish before comparing fabricator bids.

$3,000 - $12,000
Painting

Interior painting

Estimate interior house painting costs by painted area, room scope, wall condition, ceilings and trim, color change, coats, and paint grade before comparing painter bids.

$1,500 - $8,500
Flooring

Flooring installation

Estimate flooring installation costs by square footage, flooring type, subfloor prep, old flooring removal, and stairs.

$2,800 - $18,000
Insulation

Insulation installation

Estimate insulation installation costs for attics, walls, crawlspaces, or whole-home upgrades before requesting bids.

$1,800 - $9,800

Project supplies

Review related tools, parts, fixtures, filters, safety items, and materials for common projects in this area.

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Common questions

Which remodeling and interior costs should I compare first?

Start with home addition, basement finishing, bathroom remodel, walk-in shower, bathtub replacement, kitchen remodel, cabinet installation, cabinet refacing, countertop installation, quartz countertops, interior painting, flooring installation, and insulation installation calculators when the project scope overlaps.

Why can remodeling and interior costs change between bids?

Remodeling projects depend on finish level, demolition, layout changes, hidden repairs, structural scope, and trade coordination. These calculators help you compare bids with the same scope and allowances in mind. Keep the same scope, assumptions, and exclusions in front of each contractor before comparing totals.

What should I do after checking these remodeling and interior costs?

Open the related quote comparison worksheets, list the same assumptions for each bid, and confirm included work, exclusions, schedule, warranty, and cleanup before choosing a contractor.